.top_banner {
    height: 100px;
    background-color: #362526;
}

.top_banner_inner {
    margin: 0 auto;
    position: relative;
}

/* top_banner_left */
.top_banner_left {
    height: 100px;
    width: 60px;
    position: absolute;
    float: left;
}

.top_banner_left img {
    height: 60px;
    width: 60px;
    margin-top: 25px;
    display: block;

}

.tbl_block1 {
    position: absolute;
}

.tbl_block2 {
    top: 30px;
    left: 70px;
    position: absolute;
    width: 300px;
    color: white;
}

/* top_banner_right */
.top_banner_right {
    width: 270px;
    height: 100px;
    position: absolute;
    float: right;
    right: 0;
}

.tbr_block1 {
    position: absolute;
    top: 44px;
    left: 0;
    color: white;
}

.tbr_block2 {
    position: absolute;
    top: 39px;
    left: 75px;
    color: white;
}

.top_banner_right img {
    top: 0px;
    height: 30px;
    width: 30px;
}

.tbr_block3 {
    position: absolute;
    top: 44px;
    left: 110px;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

/* nav */
.nav {
    height: 60px;
    background-color: #362526;
}

.nav_inner {
    margin: 0 auto;
    position: relative;
}

.nav_inner ul {
    position: relative;
}

.nav_inner ul li {
    width: 198px;
    line-height: 60px;
    float: left;
    background-color: #482f30;
    border-right: 1px solid #362526;
}

.nav_inner ul li a {
    color: white;
    font-size: 16px;
    text-align: center;
    display: block;
}
/* 区域标题样式 */
.part_title {
    text-align: center;
    font-size: 36px;
    margin-top: 81px;
    padding-bottom: 8px;
}
.part_decoration {
    margin: 0 auto;
    position: relative;
}
.part_decoration img {
    position: absolute;
    left: 50%;
    margin-left: -125px;
    /* margin-top: 17px; */
    width: 250px;
    height: 15px;
}
/* 专家团队 */
.master_team{
    height: 710px;
    background-image: url(../img/background.jpg);
    overflow: hidden;
}
/* 暗色区域标题 */
.part_title_dark {
    text-align: center;
    font-size: 36px;
    margin-top: 81px;
    padding-bottom: 8px;
    color: #ffffff;
}

.part_decoration_dark {
    margin: 0 auto;
    position: relative;
}

.part_decoration_dark img {
    position: absolute;
    left: 50%;
    margin-left: -125px;
    /* margin-top: 17px; */
    width: 250px;
    height: 15px;
    /* border: 1px solid rebeccapurple; */
}
.master_team_continer {
    margin: 0 auto;
}
.master_team_item img{
    width: 350px;
    height: 262px;
}
.master_team_continer{
    margin-top: 58px;
    display: flex;
    justify-content: space-between;
}
.master_team_item{
    width: 350px;
}
.master_team_item div{
    text-align: center;
}
.master_team_item h5{
    text-align: center;
    font-size: 20px;
    line-height: 16px;
    margin-top: 16px;
    color: #ffffff;
}
.master_team_item div{
    font-size: 13px;
    color: #cccc;
    padding: 18px 0;
}
.mt_btn{
    margin: 0 auto;
    margin-top: 50px;
}
/* 联系我们 */
.connection{
    height: 300px;
    background-color: #362526;
    position: relative;
    overflow: hidden;
}
.con_continer{
    margin: 0 auto;
    /* margin: auto 0; */
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.con_continer div{
    color: #ffffff;
    font-size: 12px;
    line-height: 24px;
}
.conus_icon{
    width: 264px;
    height: 75px;
}
.con_way{
    width: 256px;
    height: 128px;
}
.botton_aboutus{
    width: 387px;
    height: 155px;
}
.connection .con_title{
    color: #f6ab4a;
    font-size: 16px;
    padding-bottom: 15px;
}
.scan img{
    width: 100px;
    height: 100px;
}